IMO stating that we helped create this mess isn’t a reason we should stay out, we are one of only a handful of nations that have the ability and expertise to really make a difference. ISIS however they came about are truly abhorrent and should be removed using suitable tactics and applied force.
I’d doubt it will come to us sending conventional forces though and I wouldn’t be surprised if the help the Iraqi army really needs isn’t already there is small numbers to be expanded once things become official.
But if we have to send conventional troops back in I really hope they have a clear mission, are properly supported by the government and not hamstrung with tight RoE and half arrsed policy like they were in the COB at Basra Airport circa 2007.